213223320305 has 8 divisors (see below), whose sum is σ = 255972052800. Its totient is φ = 170509277296.

The previous prime is 213223320157. The next prime is 213223320311. The reversal of 213223320305 is 503023322312.

213223320305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213223320305 - 2²⁴ = 213206543089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8658845 + ... + 8683434.

It is an arithmetic number, because the mean of its divisors is an integer number (31996506600).

Almost surely, 2^213223320305 is an apocalyptic number.

It is an amenable number.

213223320305 is a deficient number, since it is larger than the sum of its proper divisors (42748732495).

213223320305 is a wasteful number, since it uses less digits than its factorization.

213223320305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17344743.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 213223320305 its reverse (503023322312), we get a palindrome (716246642617).

The spelling of 213223320305 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred twenty thousand, three hundred five".